304 Order 1.— RANUNCULACE^E. 



Observation. — Many other foreign species aro ornamental, and perbaps rarely 

 cultivated. They all prefer a fresh, loamy soil. 



3. HEPATICA, Dill. Liverwort. Fig. 132, 190. (Gr. rjnaros, 

 of the liver; from the fancied resemblance of the leaf.) Involucre of 

 3 entire, ovate, obtuse bracts, resembling a calyx, situated a little lielow 



.the flower; calyx of 5 — 9 petaloid sepals, disposed in 2 or 3 rows; 



corolla 0; achenia awnless. 



H. triloba Chaix (and acutiloba DC). Lvs. trilobate, the lobes entire; scape 

 1-flowered, hairy. — Woods, Can. to Ga., and Wise. This little plant is one of the 

 earliest harbingers of spring, often putting ibrth its neat and elegant flowers in 

 the neighborhood of some lingering snow bank. The root consists of numerous 

 and strong fibers. Lvs. all radical, on long, hairy petioles, smooth, evergreen, 

 coriaceous, divided into three lobes, which suggest all its names. Fls on scapes 

 3 — 4' long, solitary, numerous, generally blue, but frequently in varieties of white 

 and flesh color. In cultivation they become double. In respect to the form of 

 leaves there are two varieties: 



a. obtusa, lobes obtuse, rounded. — Prefers the south side of hilla. 

 #. acui'a, lobes acute. — Prefers the north side of hills. 



4. THALICTRUH, Tourn. Meadow Rue. (Said to be from 

 BdXXu), to be green.) Calyx colored, of 4 — 5 roundish, concave, 

 caducous sepals; corolla 0; filaments co, compressed, dilated upward, 

 longer than the calyx; ovaries numerous (4 — 15); achenia sessile or 

 etipitate, ribbed or inflated, pointed with the stigma or short style. — 

 % Lvs. ternately compounded, with stalked leaflets. Fls. paniculate, 

 often H or J tf J. 



* Carpels mostly 10 or 12, beaked with a stylo Nos. 1, 2 



* Carpels few (.-i— G), with sessile stigmas Nos. 3, 4 



1 T. dioicum L. 2 t ', " iem leaves on a short common petiole ; Ifts. obtusely 

 5-7 lobed ; ach. about 8, sessile. — Hilly woods, Brit. Am. to Ga. and Ala. A 

 Blender and delicate plant, glabrous and glaucous, 1 — 2f high. Lvs. ternately 

 decompound, the cauline on petioles 1 — 3' long, shortening upward. Llts. roundish, 

 about f ' diameter, with 5 — 7 obtuse lobes, paler beneath. Filaments filiform, longer 

 than the 5 obtuse sepals. The slender terminal panicle is often purplish, gener- 

 ally pale green. Fruit strongly ribbed and distinctly pointed. May. 



2 T. comuti L. 2 <? ; stem lvs. all sessile (no common petiole) ; Ills, roundish 

 obovate, rather acutely 3-lobed; ach. about 12, substipitate, ribbed. — Common 

 in meadows. Stem 3-ff high, smooth, hollow, jointed, furrowed Lvs. resem- 

 bling those of the columbine (Aquilegia), green above, smooth, several times 

 compounded. Lfcs. 1-2' long, § as wide. Petioles sheathing at base. Panicles 

 huge and diffuse. The barren flowers have numerous club-shaped stamens, with 

 oblong yellow anthers. Fertile fls. smaller and less crowded. Jn., Jl. 



j3. ddbii'atum. Radical lvs. (many) and lower stem lvs. petiolate. Ga. (Pond.) 



3 T. filipes Torr and Gr. ? $ ; Lvs. cauline: panicle corymbous : ach. stiped. — 

 N. Car. (Curtis). Plant very smoooth, 2f or more in hight. Lvs. biternate, on 

 petioles 1' in length ; lfts. roundish, obtusely 3 — 5-lobed, glaucous beneath. 

 Panicles loose and capillary. Fruit inflated, obovate, striate, each as long as its 

 slender stipe, acute. Style 0. 



4 T. alpinurn L. Lvs. mostly radical : fls. $ in a simple raceme : ach. ovate, 

 sessile. — Can. and northward. Plant about G' high, glabrous. Lvs. petiolate, 

 biternate; lfts. roundish, about 4' diam., crenately toothed. Stems few-leaved, 

 terminating in a cluster of a few nodding flowers on slender pedicels. Fila- 

 ments filiform. Style 0. 



5. TRAUTVETTERIA, Fisch. and Meyer. (Named in honor of 

 Trautvetter, a German botanist.) Sepals 4—5, colored, caducous; 

 petals 0; stamens od, petaloid ; carpels 15 — 20, membranous and in- 



